| |
| /* |
| * Copyright (C) Igor Sysoev |
| */ |
| |
| |
| #include <ngx_config.h> |
| #include <ngx_core.h> |
| #include <ngx_event.h> |
| |
| |
| static ngx_int_t ngx_cmp_sockaddr(struct sockaddr *sa1, struct sockaddr *sa2); |
| static void ngx_clean_old_cycles(ngx_event_t *ev); |
| |
| |
| volatile ngx_cycle_t *ngx_cycle; |
| ngx_array_t ngx_old_cycles; |
| |
| static ngx_pool_t *ngx_temp_pool; |
| static ngx_event_t ngx_cleaner_event; |
| |
| ngx_uint_t ngx_test_config; |
| |
| #if (NGX_THREADS) |
| ngx_tls_key_t ngx_core_tls_key; |
| #endif |
| |
| |
| /* STUB NAME */ |
| static ngx_connection_t dumb; |
| /* STUB */ |
| |
| #ifdef NGX_ERROR_LOG_PATH |
| static ngx_str_t error_log = ngx_string(NGX_ERROR_LOG_PATH); |
| #else |
| static ngx_str_t error_log = ngx_null_string; |
| #endif |
| |
| |
| ngx_cycle_t *ngx_init_cycle(ngx_cycle_t *old_cycle) |
| { |
| void *rv; |
| ngx_uint_t i, n, failed; |
| ngx_log_t *log; |
| ngx_conf_t conf; |
| ngx_pool_t *pool; |
| ngx_cycle_t *cycle, **old; |
| ngx_socket_t fd; |
| ngx_list_part_t *part; |
| ngx_open_file_t *file; |
| ngx_listening_t *ls, *nls; |
| ngx_core_conf_t *ccf; |
| ngx_core_module_t *module; |
| #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER) |
| struct accept_filter_arg af; |
| #endif |
| #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT) |
| int timeout; |
| #endif |
| |
| log = old_cycle->log; |
| |
| pool = ngx_create_pool(NGX_CYCLE_POOL_SIZE, log); |
| if (pool == NULL) { |
| return NULL; |
| } |
| pool->log = log; |
| |
| cycle = ngx_pcalloc(pool, sizeof(ngx_cycle_t)); |
| if (cycle == NULL) { |
| ngx_destroy_pool(pool); |
| return NULL; |
| } |
| |
| cycle->pool = pool; |
| cycle->log = log; |
| cycle->old_cycle = old_cycle; |
| cycle->conf_file = old_cycle->conf_file; |
| cycle->root.len = sizeof(NGX_PREFIX) - 1; |
| cycle->root.data = (u_char *) NGX_PREFIX; |
| |
| |
| n = old_cycle->pathes.nelts ? old_cycle->pathes.nelts : 10; |
| |
| cycle->pathes.elts = ngx_pcalloc(pool, n * sizeof(ngx_path_t *)); |
| if (cycle->pathes.elts == NULL) { |
| ngx_destroy_pool(pool); |
| return NULL; |
| } |
| |
| cycle->pathes.nelts = 0; |
| cycle->pathes.size = sizeof(ngx_path_t *); |
| cycle->pathes.nalloc = n; |
| cycle->pathes.pool = pool; |
| |
| |
| if (old_cycle->open_files.part.nelts) { |
| n = old_cycle->open_files.part.nelts; |
| for (part = old_cycle->open_files.part.next; part; part = part->next) { |
| n += part->nelts; |
| } |
| |
| } else { |
| n = 20; |
| } |
| |
| if (ngx_list_init(&cycle->open_files, pool, n, sizeof(ngx_open_file_t)) |
| == NGX_ERROR) |
| { |
| ngx_destroy_pool(pool); |
| return NULL; |
| } |
| |
| |
| cycle->new_log = ngx_log_create_errlog(cycle, NULL); |
| if (cycle->new_log == NULL) { |
| ngx_destroy_pool(pool); |
| return NULL; |
| } |
| |
| cycle->new_log->file->name = error_log; |
| |
| |
| n = old_cycle->listening.nelts ? old_cycle->listening.nelts : 10; |
| |
| cycle->listening.elts = ngx_pcalloc(pool, n * sizeof(ngx_listening_t)); |
| if (cycle->listening.elts == NULL) { |
| ngx_destroy_pool(pool); |
| return NULL; |
| } |
| |
| cycle->listening.nelts = 0; |
| cycle->listening.size = sizeof(ngx_listening_t); |
| cycle->listening.nalloc = n; |
| cycle->listening.pool = pool; |
| |
| |
| cycle->conf_ctx = ngx_pcalloc(pool, ngx_max_module * sizeof(void *)); |
| if (cycle->conf_ctx == NULL) { |
| ngx_destroy_pool(pool); |
| return NULL; |
| } |
| |
| |
| for (i = 0; ngx_modules[i]; i++) { |
| if (ngx_modules[i]->type != NGX_CORE_MODULE) { |
| continue; |
| } |
| |
| module = ngx_modules[i]->ctx; |
| |
| if (module->create_conf) { |
| rv = module->create_conf(cycle); |
| if (rv == NGX_CONF_ERROR) { |
| ngx_destroy_pool(pool); |
| return NULL; |
| } |
| cycle->conf_ctx[ngx_modules[i]->index] = rv; |
| } |
| } |
| |
| |
| ngx_memzero(&conf, sizeof(ngx_conf_t)); |
| /* STUB: init array ? */ |
| conf.args = ngx_array_create(pool, 10, sizeof(ngx_str_t)); |
| if (conf.args == NULL) { |
| ngx_destroy_pool(pool); |
| return NULL; |
| } |
| |
| conf.ctx = cycle->conf_ctx; |
| conf.cycle = cycle; |
| conf.pool = pool; |
| conf.log = log; |
| conf.module_type = NGX_CORE_MODULE; |
| conf.cmd_type = NGX_MAIN_CONF; |
| |
| #if 0 |
| log->log_level = NGX_LOG_DEBUG_ALL; |
| #endif |
| |
| if (ngx_conf_parse(&conf, &cycle->conf_file) != NGX_CONF_OK) { |
| ngx_destroy_pool(pool); |
| return NULL; |
| } |
| |
| if (ngx_test_config) { |
| ngx_log_error(NGX_LOG_INFO, log, 0, |
| "the configuration file %s syntax is ok", |
| cycle->conf_file.data); |
| } |
| |
| |
| for (i = 0; ngx_modules[i]; i++) { |
| if (ngx_modules[i]->type != NGX_CORE_MODULE) { |
| continue; |
| } |
| |
| module = ngx_modules[i]->ctx; |
| |
| if (module->init_conf) { |
| if (module->init_conf(cycle, cycle->conf_ctx[ngx_modules[i]->index]) |
| == NGX_CONF_ERROR) |
| { |
| ngx_destroy_pool(pool); |
| return NULL; |
| } |
| } |
| } |
| |
| |
| failed = 0; |
| |
| |
| #if !(NGX_WIN32) |
| if (ngx_create_pidfile(cycle, old_cycle) == NGX_ERROR) { |
| failed = 1; |
| } |
| #endif |
| |
| |
| if (!failed) { |
| ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, |
| ngx_core_module); |
| |
| if (ngx_create_pathes(cycle, ccf->user) == NGX_ERROR) { |
| failed = 1; |
| } |
| } |
| |
| |
| if (!failed) { |
| |
| /* open the new files */ |
| |
| part = &cycle->open_files.part; |
| file = part->elts; |
| |
| for (i = 0; /* void */ ; i++) { |
| |
| if (i >= part->nelts) { |
| if (part->next == NULL) { |
| break; |
| } |
| part = part->next; |
| file = part->elts; |
| i = 0; |
| } |
| |
| if (file[i].name.data == NULL) { |
| continue; |
| } |
| |
| file[i].fd = ngx_open_file(file[i].name.data, |
| NGX_FILE_RDWR, |
| NGX_FILE_CREATE_OR_OPEN|NGX_FILE_APPEND); |
| |
| ngx_log_debug3(NGX_LOG_DEBUG_CORE, log, 0, |
| "log: %p %d \"%s\"", |
| &file[i], file[i].fd, file[i].name.data); |
| |
| if (file[i].fd == NGX_INVALID_FILE) { |
| ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
| ngx_open_file_n " \"%s\" failed", |
| file[i].name.data); |
| failed = 1; |
| break; |
| } |
| |
| #if (NGX_WIN32) |
| if (ngx_file_append_mode(file[i].fd) == NGX_ERROR) { |
| ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
| ngx_file_append_mode_n " \"%s\" failed", |
| file[i].name.data); |
| failed = 1; |
| break; |
| } |
| #else |
| if (fcntl(file[i].fd, F_SETFD, FD_CLOEXEC) == -1) { |
| ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
| "fcntl(FD_CLOEXEC) \"%s\" failed", |
| file[i].name.data); |
| failed = 1; |
| break; |
| } |
| #endif |
| } |
| } |
| |
| cycle->log = cycle->new_log; |
| pool->log = cycle->new_log; |
| |
| if (cycle->log->log_level == 0) { |
| cycle->log->log_level = NGX_LOG_ERR; |
| } |
| |
| if (!failed) { |
| |
| /* handle the listening sockets */ |
| |
| if (old_cycle->listening.nelts) { |
| ls = old_cycle->listening.elts; |
| for (i = 0; i < old_cycle->listening.nelts; i++) { |
| ls[i].remain = 0; |
| } |
| |
| nls = cycle->listening.elts; |
| for (n = 0; n < cycle->listening.nelts; n++) { |
| |
| for (i = 0; i < old_cycle->listening.nelts; i++) { |
| if (ls[i].ignore) { |
| continue; |
| } |
| |
| if (ngx_cmp_sockaddr(nls[n].sockaddr, ls[i].sockaddr) |
| == NGX_OK) |
| { |
| fd = ls[i].fd; |
| #if (NGX_WIN32) |
| /* |
| * Winsock assignes a socket number divisible by 4 so |
| * to find a connection we divide a socket number by 4. |
| */ |
| |
| fd /= 4; |
| #endif |
| if (fd >= (ngx_socket_t) cycle->connection_n) { |
| ngx_log_error(NGX_LOG_EMERG, log, 0, |
| "%d connections is not enough to hold " |
| "an open listening socket on %V, " |
| "required at least %d connections", |
| cycle->connection_n, |
| &ls[i].addr_text, fd); |
| failed = 1; |
| break; |
| } |
| |
| nls[n].fd = ls[i].fd; |
| nls[n].remain = 1; |
| ls[i].remain = 1; |
| |
| if (ls[n].backlog != nls[i].backlog) { |
| nls[n].change_backlog = 1; |
| } |
| |
| #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER) |
| |
| /* |
| * FreeBSD, except the most recent versions, |
| * can not remove accept filter |
| */ |
| nls[n].deferred_accept = ls[i].deferred_accept; |
| |
| if (ls[i].accept_filter && nls[n].accept_filter) { |
| if (ngx_strcmp(ls[i].accept_filter, |
| nls[n].accept_filter) != 0) |
| { |
| nls[n].delete_deferred = 1; |
| nls[n].add_deferred = 1; |
| } |
| |
| } else if (ls[i].accept_filter) { |
| nls[n].delete_deferred = 1; |
| |
| } else if (nls[n].accept_filter) { |
| nls[n].add_deferred = 1; |
| } |
| #endif |
| |
| #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT) |
| |
| if (ls[n].deferred_accept && !nls[n].deferred_accept) { |
| nls[n].delete_deferred = 1; |
| |
| } else if (ls[i].deferred_accept |
| != nls[n].deferred_accept) |
| { |
| nls[n].add_deferred = 1; |
| } |
| #endif |
| break; |
| } |
| } |
| |
| if (nls[n].fd == -1) { |
| nls[n].open = 1; |
| } |
| } |
| |
| } else { |
| ls = cycle->listening.elts; |
| for (i = 0; i < cycle->listening.nelts; i++) { |
| ls[i].open = 1; |
| #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER) |
| if (ls[i].accept_filter) { |
| ls[i].add_deferred = 1; |
| } |
| #endif |
| #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT) |
| if (ls[i].deferred_accept) { |
| ls[i].add_deferred = 1; |
| } |
| #endif |
| } |
| } |
| |
| if (!ngx_test_config && !failed) { |
| if (ngx_open_listening_sockets(cycle) == NGX_ERROR) { |
| failed = 1; |
| } |
| |
| if (!failed) { |
| ls = cycle->listening.elts; |
| for (i = 0; i < cycle->listening.nelts; i++) { |
| |
| if (ls[i].change_backlog) { |
| if (listen(ls[i].fd, ls[i].backlog) == -1) { |
| ngx_log_error(NGX_LOG_ALERT, log, ngx_socket_errno, |
| "changing the listen() backlog to %d " |
| "for %V failed, ignored", |
| &ls[i].addr_text, ls[i].backlog); |
| } |
| } |
| |
| #if (NGX_HAVE_DEFERRED_ACCEPT) |
| |
| #ifdef SO_ACCEPTFILTER |
| if (ls[i].delete_deferred) { |
| if (setsockopt(ls[i].fd, SOL_SOCKET, SO_ACCEPTFILTER, |
| NULL, 0) == -1) |
| { |
| ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, |
| "setsockopt(SO_ACCEPTFILTER, NULL) " |
| "for %V failed, ignored", |
| &ls[i].addr_text); |
| |
| if (ls[i].accept_filter) { |
| ngx_log_error(NGX_LOG_ALERT, log, 0, |
| "could not change the accept filter " |
| "to \"%s\" for %V, ignored", |
| ls[i].accept_filter, &ls[i].addr_text); |
| } |
| |
| continue; |
| } |
| |
| ls[i].deferred_accept = 0; |
| } |
| |
| if (ls[i].add_deferred) { |
| ngx_memzero(&af, sizeof(struct accept_filter_arg)); |
| (void) ngx_cpystrn((u_char *) af.af_name, |
| (u_char *) ls[i].accept_filter, 16); |
| |
| if (setsockopt(ls[i].fd, SOL_SOCKET, SO_ACCEPTFILTER, |
| &af, sizeof(struct accept_filter_arg)) == -1) |
| { |
| ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, |
| "setsockopt(SO_ACCEPTFILTER, \"%s\") " |
| "for %V failed, ignored", |
| ls[i].accept_filter, &ls[i].addr_text); |
| continue; |
| } |
| |
| ls[i].deferred_accept = 1; |
| } |
| #endif |
| |
| #ifdef TCP_DEFER_ACCEPT |
| if (ls[i].add_deferred || ls[i].delete_deferred) { |
| timeout = 0; |
| |
| if (ls[i].add_deferred) { |
| timeout = (int) (ls[i].post_accept_timeout / 1000); |
| } |
| |
| if (setsockopt(ls[i].fd, IPPROTO_TCP, TCP_DEFER_ACCEPT, |
| &timeout, sizeof(int)) == -1) |
| { |
| ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, |
| "setsockopt(TCP_DEFER_ACCEPT, %d) " |
| "for %V failed, ignored", |
| timeout, &ls[i].addr_text); |
| continue; |
| } |
| } |
| |
| if (ls[i].add_deferred) { |
| ls[i].deferred_accept = 1; |
| } |
| #endif |
| #endif |
| } |
| } |
| } |
| } |
| |
| if (failed) { |
| |
| /* rollback the new cycle configuration */ |
| |
| part = &cycle->open_files.part; |
| file = part->elts; |
| |
| for (i = 0; /* void */ ; i++) { |
| |
| if (i >= part->nelts) { |
| if (part->next == NULL) { |
| break; |
| } |
| part = part->next; |
| file = part->elts; |
| i = 0; |
| } |
| |
| if (file[i].fd == NGX_INVALID_FILE |
| || file[i].fd == ngx_stderr_fileno) |
| { |
| continue; |
| } |
| |
| if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) { |
| ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
| ngx_close_file_n " \"%s\" failed", |
| file[i].name.data); |
| } |
| } |
| |
| if (ngx_test_config) { |
| ngx_destroy_pool(pool); |
| return NULL; |
| } |
| |
| ls = cycle->listening.elts; |
| for (i = 0; i < cycle->listening.nelts; i++) { |
| if (ls[i].fd == -1 || !ls[i].open) { |
| continue; |
| } |
| |
| if (ngx_close_socket(ls[i].fd) == -1) { |
| ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno, |
| ngx_close_socket_n " %V failed", |
| &ls[i].addr_text); |
| } |
| } |
| |
| ngx_destroy_pool(pool); |
| return NULL; |
| } |
| |
| |
| /* commit the new cycle configuration */ |
| |
| #if !(NGX_WIN32) |
| |
| if (!ngx_test_config && cycle->log->file->fd != STDERR_FILENO) { |
| |
| ngx_log_debug3(NGX_LOG_DEBUG_CORE, log, 0, |
| "dup2: %p %d \"%s\"", |
| cycle->log->file, |
| cycle->log->file->fd, cycle->log->file->name.data); |
| |
| if (dup2(cycle->log->file->fd, STDERR_FILENO) == NGX_ERROR) { |
| ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
| "dup2(STDERR) failed"); |
| /* fatal */ |
| exit(1); |
| } |
| } |
| |
| #endif |
| |
| pool->log = cycle->log; |
| |
| for (i = 0; ngx_modules[i]; i++) { |
| if (ngx_modules[i]->init_module) { |
| if (ngx_modules[i]->init_module(cycle) == NGX_ERROR) { |
| /* fatal */ |
| exit(1); |
| } |
| } |
| } |
| |
| |
| /* close and delete stuff that lefts from an old cycle */ |
| |
| /* close the unneeded listening sockets */ |
| |
| ls = old_cycle->listening.elts; |
| for (i = 0; i < old_cycle->listening.nelts; i++) { |
| if (ls[i].remain) { |
| continue; |
| } |
| |
| if (ngx_close_socket(ls[i].fd) == -1) { |
| ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno, |
| ngx_close_socket_n " %V failed", |
| &ls[i].addr_text); |
| } |
| } |
| |
| |
| /* close the unneeded open files */ |
| |
| part = &old_cycle->open_files.part; |
| file = part->elts; |
| |
| for (i = 0; /* void */ ; i++) { |
| |
| if (i >= part->nelts) { |
| if (part->next == NULL) { |
| break; |
| } |
| part = part->next; |
| file = part->elts; |
| i = 0; |
| } |
| |
| if (file[i].fd == NGX_INVALID_FILE || file[i].fd == ngx_stderr_fileno) { |
| continue; |
| } |
| |
| if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) { |
| ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
| ngx_close_file_n " \"%s\" failed", |
| file[i].name.data); |
| } |
| } |
| |
| if (old_cycle->connections == NULL) { |
| /* an old cycle is an init cycle */ |
| ngx_destroy_pool(old_cycle->pool); |
| return cycle; |
| } |
| |
| if (ngx_process == NGX_PROCESS_MASTER) { |
| ngx_destroy_pool(old_cycle->pool); |
| return cycle; |
| } |
| |
| if (ngx_temp_pool == NULL) { |
| ngx_temp_pool = ngx_create_pool(128, cycle->log); |
| if (ngx_temp_pool == NULL) { |
| ngx_log_error(NGX_LOG_EMERG, cycle->log, 0, |
| "can not create ngx_temp_pool"); |
| exit(1); |
| } |
| |
| n = 10; |
| ngx_old_cycles.elts = ngx_pcalloc(ngx_temp_pool, |
| n * sizeof(ngx_cycle_t *)); |
| if (ngx_old_cycles.elts == NULL) { |
| exit(1); |
| } |
| ngx_old_cycles.nelts = 0; |
| ngx_old_cycles.size = sizeof(ngx_cycle_t *); |
| ngx_old_cycles.nalloc = n; |
| ngx_old_cycles.pool = ngx_temp_pool; |
| |
| ngx_cleaner_event.handler = ngx_clean_old_cycles; |
| ngx_cleaner_event.log = cycle->log; |
| ngx_cleaner_event.data = &dumb; |
| dumb.fd = (ngx_socket_t) -1; |
| } |
| |
| ngx_temp_pool->log = cycle->log; |
| |
| old = ngx_array_push(&ngx_old_cycles); |
| if (old == NULL) { |
| exit(1); |
| } |
| *old = old_cycle; |
| |
| if (!ngx_cleaner_event.timer_set) { |
| ngx_add_timer(&ngx_cleaner_event, 30000); |
| ngx_cleaner_event.timer_set = 1; |
| } |
| |
| return cycle; |
| } |
| |
| |
| static ngx_int_t ngx_cmp_sockaddr(struct sockaddr *sa1, struct sockaddr *sa2) |
| { |
| struct sockaddr_in *sin1, *sin2; |
| |
| /* AF_INET only */ |
| |
| if (sa1->sa_family != AF_INET || sa2->sa_family != AF_INET) { |
| return NGX_DECLINED; |
| } |
| |
| sin1 = (struct sockaddr_in *) sa1; |
| sin2 = (struct sockaddr_in *) sa2; |
| |
| if (sin1->sin_addr.s_addr != sin2->sin_addr.s_addr) { |
| return NGX_DECLINED; |
| } |
| |
| if (sin1->sin_port != sin2->sin_port) { |
| return NGX_DECLINED; |
| } |
| |
| return NGX_OK; |
| } |
| |
| |
| #if !(NGX_WIN32) |
| |
| ngx_int_t ngx_create_pidfile(ngx_cycle_t *cycle, ngx_cycle_t *old_cycle) |
| { |
| ngx_uint_t trunc; |
| size_t len; |
| u_char pid[NGX_INT64_LEN]; |
| ngx_file_t file; |
| ngx_core_conf_t *ccf, *old_ccf; |
| |
| if (!ngx_test_config && old_cycle && old_cycle->conf_ctx == NULL) { |
| |
| /* |
| * do not create the pid file in the first ngx_init_cycle() call |
| * because we need to write the demonized process pid |
| */ |
| |
| return NGX_OK; |
| } |
| |
| ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); |
| |
| if (!ngx_test_config && old_cycle) { |
| old_ccf = (ngx_core_conf_t *) ngx_get_conf(old_cycle->conf_ctx, |
| ngx_core_module); |
| |
| if (ccf->pid.len == old_ccf->pid.len |
| && ngx_strcmp(ccf->pid.data, old_ccf->pid.data) == 0) |
| { |
| |
| /* pid file name is the same */ |
| |
| return NGX_OK; |
| } |
| } |
| |
| ngx_memzero(&file, sizeof(ngx_file_t)); |
| file.name = (ngx_inherited && getppid() > 1) ? ccf->newpid : ccf->pid; |
| file.log = cycle->log; |
| |
| trunc = ngx_test_config ? 0: NGX_FILE_TRUNCATE; |
| |
| file.fd = ngx_open_file(file.name.data, NGX_FILE_RDWR, |
| NGX_FILE_CREATE_OR_OPEN|trunc); |
| |
| if (file.fd == NGX_INVALID_FILE) { |
| ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
| ngx_open_file_n " \"%s\" failed", file.name.data); |
| return NGX_ERROR; |
| } |
| |
| if (!ngx_test_config) { |
| len = ngx_sprintf(pid, "%P%N", ngx_pid) - pid; |
| |
| if (ngx_write_file(&file, pid, len, 0) == NGX_ERROR) { |
| return NGX_ERROR; |
| } |
| } |
| |
| if (ngx_close_file(file.fd) == NGX_FILE_ERROR) { |
| ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
| ngx_close_file_n " \"%s\" failed", file.name.data); |
| } |
| |
| ngx_delete_pidfile(old_cycle); |
| |
| return NGX_OK; |
| } |
| |
| |
| void ngx_delete_pidfile(ngx_cycle_t *cycle) |
| { |
| u_char *name; |
| ngx_core_conf_t *ccf; |
| |
| if (cycle == NULL || cycle->conf_ctx == NULL) { |
| return; |
| } |
| |
| ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); |
| |
| if (ngx_inherited && getppid() > 1) { |
| name = ccf->newpid.data; |
| |
| } else { |
| name = ccf->pid.data; |
| } |
| |
| if (ngx_delete_file(name) == NGX_FILE_ERROR) { |
| ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
| ngx_delete_file_n " \"%s\" failed", name); |
| } |
| } |
| |
| #endif |
| |
| |
| void ngx_reopen_files(ngx_cycle_t *cycle, ngx_uid_t user) |
| { |
| ngx_fd_t fd; |
| ngx_uint_t i; |
| ngx_list_part_t *part; |
| ngx_open_file_t *file; |
| #if !(NGX_WIN32) |
| ngx_file_info_t fi; |
| #endif |
| |
| part = &cycle->open_files.part; |
| file = part->elts; |
| |
| for (i = 0; /* void */ ; i++) { |
| |
| if (i >= part->nelts) { |
| if (part->next == NULL) { |
| break; |
| } |
| part = part->next; |
| file = part->elts; |
| i = 0; |
| } |
| |
| if (file[i].name.data == NULL) { |
| continue; |
| } |
| |
| fd = ngx_open_file(file[i].name.data, NGX_FILE_RDWR, |
| NGX_FILE_CREATE_OR_OPEN|NGX_FILE_APPEND); |
| |
| ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
| "reopen file \"%s\", old:%d new:%d", |
| file[i].name.data, file[i].fd, fd); |
| |
| if (fd == NGX_INVALID_FILE) { |
| ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
| ngx_open_file_n " \"%s\" failed", file[i].name.data); |
| continue; |
| } |
| |
| #if (NGX_WIN32) |
| if (ngx_file_append_mode(fd) == NGX_ERROR) { |
| ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
| ngx_file_append_mode_n " \"%s\" failed", |
| file[i].name.data); |
| |
| if (ngx_close_file(fd) == NGX_FILE_ERROR) { |
| ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
| ngx_close_file_n " \"%s\" failed", |
| file[i].name.data); |
| } |
| |
| continue; |
| } |
| #else |
| if (user != (ngx_uid_t) NGX_CONF_UNSET_UINT) { |
| |
| if (ngx_file_info((const char *) file[i].name.data, &fi) == -1) { |
| ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
| ngx_file_info_n " \"%s\" failed", |
| file[i].name.data); |
| |
| if (ngx_close_file(fd) == NGX_FILE_ERROR) { |
| ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
| ngx_close_file_n " \"%s\" failed", |
| file[i].name.data); |
| } |
| } |
| |
| if (fi.st_uid != user) { |
| if (chown((const char *) file[i].name.data, user, -1) == -1) { |
| ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
| "chown(\"%s\", %d) failed", |
| file[i].name.data, user); |
| |
| if (ngx_close_file(fd) == NGX_FILE_ERROR) { |
| ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
| ngx_close_file_n " \"%s\" failed", |
| file[i].name.data); |
| } |
| } |
| } |
| |
| if ((fi.st_mode & (S_IRUSR|S_IWUSR)) != (S_IRUSR|S_IWUSR)) { |
| |
| fi.st_mode |= (S_IRUSR|S_IWUSR); |
| |
| if (chmod((const char *) file[i].name.data, fi.st_mode) == -1) { |
| ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
| "chmod() \"%s\" failed", file[i].name.data); |
| |
| if (ngx_close_file(fd) == NGX_FILE_ERROR) { |
| ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
| ngx_close_file_n " \"%s\" failed", |
| file[i].name.data); |
| } |
| } |
| } |
| } |
| |
| if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) { |
| ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
| "fcntl(FD_CLOEXEC) \"%s\" failed", |
| file[i].name.data); |
| |
| if (ngx_close_file(fd) == NGX_FILE_ERROR) { |
| ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
| ngx_close_file_n " \"%s\" failed", |
| file[i].name.data); |
| } |
| |
| continue; |
| } |
| #endif |
| |
| if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) { |
| ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
| ngx_close_file_n " \"%s\" failed", |
| file[i].name.data); |
| } |
| |
| file[i].fd = fd; |
| } |
| |
| #if !(NGX_WIN32) |
| |
| if (cycle->log->file->fd != STDERR_FILENO) { |
| if (dup2(cycle->log->file->fd, STDERR_FILENO) == -1) { |
| ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
| "dup2(STDERR) failed"); |
| } |
| } |
| |
| #endif |
| } |
| |
| |
| static void ngx_clean_old_cycles(ngx_event_t *ev) |
| { |
| ngx_uint_t i, n, found, live; |
| ngx_log_t *log; |
| ngx_cycle_t **cycle; |
| |
| log = ngx_cycle->log; |
| ngx_temp_pool->log = log; |
| |
| ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycles"); |
| |
| live = 0; |
| |
| cycle = ngx_old_cycles.elts; |
| for (i = 0; i < ngx_old_cycles.nelts; i++) { |
| |
| if (cycle[i] == NULL) { |
| continue; |
| } |
| |
| found = 0; |
| |
| for (n = 0; n < cycle[i]->connection_n; n++) { |
| if (cycle[i]->connections[n].fd != (ngx_socket_t) -1) { |
| found = 1; |
| |
| ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "live fd:%d", n); |
| |
| break; |
| } |
| } |
| |
| if (found) { |
| live = 1; |
| continue; |
| } |
| |
| ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycle: %d", i); |
| |
| ngx_destroy_pool(cycle[i]->pool); |
| cycle[i] = NULL; |
| } |
| |
| ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "old cycles status: %d", live); |
| |
| if (live) { |
| ngx_add_timer(ev, 30000); |
| |
| } else { |
| ngx_destroy_pool(ngx_temp_pool); |
| ngx_temp_pool = NULL; |
| ngx_old_cycles.nelts = 0; |
| } |
| } |
